Broadcast 6000 User manual

Revision A07, 14 November 2005
Symetrix part number: 5360000A05
Subject to change without notice.
Copyright 2002-2005, Symetrix, Inc. All rights reserved.
AirTools™ is a registered trademark of Symetrix, Inc.
All other trademarks referenced in this User’s Guide are the property of their
respective holders.
Mention of third-party products is for informational purposes only and consti-
tutes neither an endorsement nor a recommendation. Symetrix assumes no
responsibility with regard to the performance or use of these products.
Under copyright laws, the content of this User’s Guide remains the property
of Symetrix, Inc.
6408 216th St. SW, Mountlake Terrace, WA, USA • Tel [phone] • Fax [phone] • Web www.airtoolsaudio.com
M
6000 Broadcast Audio Delay
User’s Guide

6000 Broadcast Audio Delay
User’s Guide
PAGE i
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install only in
accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators,
heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug
has two blades and a third grounding prong. The wide
blade or the third prong are provided for your safety. If
the provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
10.Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus.
11. Only use attachments/accessories specified by the
manufacturer.
12.Use only with the cart, stand, tripod, bracket,
or table specified by the manufacturer, or
sold with the apparatus. When a cart is used,
use caution when moving the cart/apparatus
combination to avoid injury from tip-over.
13.Unplug this apparatus during lightning storms or when
unused for long periods of time.
14.Refer all servicing to qualified service personnel. Servic-
ing is required when the apparatus has been damaged
in any way, such as power-supply cord or plug cord is
damaged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or has been
dropped.
AVIS:
NE PAS OUVRIR
Il ne se trouve a l’interieur aucune piece pourvant entre reparée l’usager.
SEE OWNERS MANUAL. VOIR CAHIER D’INSTRUCTIONS.
S’adresser a un reparateur compétent.
RISQUE DE CHOC ELECTRIQUE
No user serviceable parts inside. Refer servicing to qualified service personnel.
CAUTION
WARNING:
TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK DO NOT EXPOSE
THIS EQUIPMENT TO RAIN OR MOISTURE
DO NOT OPEN
RISK OF ELECTRIC SHOCK
The lightning flash with arrowhead symbol within an equilat-
eral triangle is intended to alert the user of the presence of
uninsulated “dangerous voltage” within the product’s enclo-
sure that may be of sufficient magnitude to constitute a risk
of electric shock to persons. The exclamation point within
an equilateral triangle is intended to alert the user of the
presence of important operating and maintenance (servic-
ing) instructions in the literature accompanying the product
(i.e. this User’s Guide).
CAUTION To prevent electric shock, do not use the
polarized plug supplied with the unit with any extension
cord, receptacle, or other outlet unless the prongs can be
fully inserted.
Power Source. AirTools 6000 hardware uses a switch-
ing power supply that automatically adjusts to the applied
voltage. Ensure that your AC mains voltage is somewhere
between 100-240 VAC, 50-60 Hz. Use only the power cord
and connector specified for the product and your operat-
ing locale. A protective ground connection, by way of the
grounding conductor in the power cord, is essential for safe
operation. The power connector shall remain readily acces-
sible and operable once the unit is installed.
User Serviceable Parts. There are no user
serviceable parts inside the AirTools 6000. In case of
failure, customers inside the U.S. should refer all servicing
to the Symetrix factory. Customers outside the U.S. should
refer all servicing to an authorized AirTools distributor.
Distributor contact information is available online at www.
airtoolsaudio.com.
iImportant Safety Instructions

6000 Broadcast Audio Delay
User’s Guide
PAGE ii
Contents
1 Introduction ______________________________________________________ 1
2 Summary Product Description ______________________________________________________ 2
Front panel view ................................................................................................ 2
Rear panel view ................................................................................................ 3
3 Installation ................................................................................................ 4
AC line connection ................................................................................................ 4
Mounting in an equipment rack ................................................................................................ 4
Analog audio input connections ................................................................................................ 4
Analog audio output connections ................................................................................................ 5
Signal level ................................................................................................ 5
Typical system block diagram ................................................................................................ 5
Remote control & indicators connector ................................................................................................ 6
Automation connector ................................................................................................ 6
Menu tree ................................................................................................ 6
4 Operation ______________________________________________________ 8
Operational status ................................................................................................ 8
INPUT/OUTPUT LEVEL (dB) display ................................................................................................ 8
The START button ................................................................................................ 8
The EXIT button ................................................................................................ 8
The COUGH button ................................................................................................ 9
The DUMP button ................................................................................................ 9
The A1 through A4 relay status LEDs ................................................................................................ 9
The DELAY time (seconds) display ................................................................................................ 9
5 Troubleshooting ______________________________________________________ 10
Solutions to common problems ................................................................................................ 10
Less common problems ................................................................................................ 10
6 Warranty and Service ______________________________________________________ 11
The AirTools™ Limited Warranty ................................................................................................ 11
Limitation of Liability ................................................................................................ 11
Servicing the 6000 ................................................................................................ 12
Return authorization ................................................................................................ 12
In-warranty repairs ................................................................................................ 12
Out-of-warranty repairs ................................................................................................ 12
Appendices
A Specifications ______________________________________________________ 13
Architects and engineers specifications ................................................................................................ 13
Technical specifications ................................................................................................ 13
B Remote Indicator & Control Interface wiring ______________________________________________________ 14
Remote panel switch pinouts ................................................................................................ 14
Remote panel LED indicator pinouts ................................................................................................ 14
Typical remote panel switch wiring ................................................................................................ 15
Typical remote panel LED wiring ................................................................................................ 15
C Automation wiring ______________________________________________________ 16
Automation connector pinout ................................................................................................ 16
D Block Diagram ______________________________________________________ 17

6000 Broadcast Audio Delay
User’s Guide
PAGE 1
Thank you for your purchase of the AirTools™ model 6000 Broadcast Audio Delay, engineered by Symetrix. The
6000 has been designed to give broadcasters unequaled performance combined with ease of use and reliability.
This manual will guide you through the installation and operation of the 6000, and provide valuable tips on how to
interface with other equipment in your studio or control room.
The 6000 gives the host or producer of a talk show the power to prevent the broadcast of unwanted profanities
or comments from guests, hosts or telephone callers. As the program begins, the 6000 gradually and unobtru-
sively delays or "stretches out" the program until up to 40 seconds of 20 kHz bandwidth stereo audio is stored in
memory. When a person says something the host or producer does not think appropriate for the broadcast, he or
she presses the DUMP button and a user preset length of memory is cleared, thereby preventing the unwanted
audio from reaching the airwaves. Meanwhile, the host releases the offending caller from the telephone line and
proceeds with the program. After the DUMP button has been pressed, the 6000 automatically begins to stretch
(time expand) the program audio again until the user preset length of delay is attained.
Several minutes in advance of the end of the talk show, the host or producer presses the EXIT DELAY button and
the 6000 begins to time compress the program audio until there is nothing left in the 6000’s memory (zero sec-
onds delay). At this point the program is back in "real time."
A unique feature of the 6000 is the COUGH button, which allows the host to make impromptu interruptions in
the program for up to 40 seconds while keeping the audience unaware of the break. When the COUGH button
is pushed, the 6000 plays from memory while the button is held in. As soon as the button is released, the 6000
automatically begins to refill the memory. The host can cough, have a quick drink of water, or make a comment to
the producer or engineer without any perceptible program interruption.
The 6000 uses the latest in delta-sigma conversion technology coupled with advanced digital signal processing
(DSP) algorithms. This combination produces a product that meets or exceeds the highest broadcast standards in
terms of low noise, low distortion, and superb signal processing.
The 6000's logical, easy to use control panel holds no hidden surprises. The product is easy to learn and simple
to use. In the sections that follow you'll find information on installation, operation, and specific applications of the
6000. We follow this with a troubleshooting guide, warranty and service information, and detailed specifications.
As with all Symetrix engineered products, the 6000 has been designed and built to the highest standards of the
broadcast industry. Our company is committed to excellence in product design, manufacturing, and service.
Please do not hesitate to contact us with your questions or comments.
Terms
Several notational conventions are used in this manual. Some paragraphs may use Note, Caution, or Warning as
a heading. These headings have the following meaning:
Note Identifies information that needs extra emphasis. A Note generally supplies extra information to
help you to better use the 6000.
Caution Identifies information that, if not heeded, may cause damage to the 6000 or other equipment in
your system.
Warning Identifies information that, if ignored, may be hazardous to your health or that of others.
In addition, certain typefaces and capitalization are used to identify certain words. These are:
CAPITALS Controls, switches or other markings on the 6000's chassis.
Boldface Strong emphasis.
1Introduction